Home / 3,238.04-4,859.40-1,289.12

Finding the Fourth Proportional to 3,238.04, 4,859.40 and 1,289.12

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Solution

The fourth proportional to 3,238.04, 4,859.40 and 1,289.12 is: 1,934.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.04 : 4,859.40 = 1,289.12 : x
  2. Step 2: Convert to fraction form
    3,238.04/4,859.40 = 1,289.12/x
  3. Step 3: Cross multiply
    3,238.04x = 4,859.40 × 1,289.12
  4. Step 4: Simplify right side
    3,238.04x = 6,264,349.73
  5. Step 5: Solve for x
    x = 6,264,349.73/3,238.04
  6. Step 6: Final answer
    x = 1,934.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.